Sessions that have been created can be permanently removed, as described below.
Open the X-Win32 Configuration window. See Start Manual Configuration or Start Wizard Configuration.
Select the Sessions tab.
In the Sessions window, select the session to remove, then press the Remove button.
The Confirmation window will open. To remove the session, press the Yes button.
The selected session will be removed as shown below.
Only one session can be removed at a time. To remove additional sessions, repeat Removing Sessions.